NACHI 6317 Bearing — Specifications, Dimensions & Cross-Reference
The NACHI 6317 is a deep groove ball bearing manufactured by NACHI. It belongs to the 6300 series and features dimensions of 85 × 180 × 41 mm (bore × OD × width). This bearing has a dynamic load rating of 133,000 N and a static load rating of 96,500 N, making it suitable for heavy-duty applications.
Technical Specifications
| Dimensions | |
|---|---|
| Bore Diameter (d) | 85 mm |
| Outside Diameter (D) | 180 mm |
| Width (B) | 41 mm |
| Weight | 3.900 kg |
| Performance | |
|---|---|
| Dynamic Load Rating (Cr) | 133,000 N |
| Static Load Rating (C₀r) | 96,500 N |
| Limiting Speed (Grease) | 3,600 rpm |
| Limiting Speed (Oil) | 4,300 rpm |
Brand Cross-Reference — 6317 Equivalents
The following bearings from other manufacturers are interchangeable with the NACHI 6317. All share identical dimensions (85×180×41mm) and comparable load ratings:
| Brand | Part Number | Dynamic Load (N) | Static Load (N) |
|---|---|---|---|
| NACHI | NACHI 6317 ✦ | 133,000 | 96,500 |
| Timken | Timken 6317 | 133,000 | 96,500 |
| SKF | SKF 6317 | 133,000 | 96,500 |
| NTN | NTN 6317 | 133,000 | 96,500 |
| KOYO | KOYO 6317 | 133,000 | 96,500 |
| FAG | FAG 6317 | 133,000 | 96,500 |
| Timken | Timken 6317 | 133,000 | 96,500 |
| NSK | NSK 6317 | 133,000 | 96,500 |
| SKF | SKF 6317 | 133,000 | 96,500 |
| NTN | NTN 6317 | 133,000 | 96,500 |
Available Variants
The NACHI 6317 base bearing is available in these configurations:
Frequently Asked Questions
What are the dimensions of the NACHI 6317?
The NACHI 6317 has a bore diameter of 85mm, outside diameter of 180mm, and width of 41mm. It weighs 3.900kg.
What is the load capacity of the NACHI 6317?
The dynamic load rating (Cr) is 133,000 N and the static load rating (C₀r) is 96,500 N. The maximum recommended speed is 3,600 rpm with grease lubrication or 4,300 rpm with oil lubrication.
What bearings are equivalent to NACHI 6317?
The 6317 is manufactured by multiple brands including SKF, NTN, NSK, FAG, Timken, KOYO, and NACHI. All versions share the same 85×180×41mm dimensions and are interchangeable in most applications. See the cross-reference table above for detailed comparisons.